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    LED UNIT FOR DISPLAY AND DISPLAY APPARATUS HAVING THE SAME
    1.
    发明申请
    LED UNIT FOR DISPLAY AND DISPLAY APPARATUS HAVING THE SAME 有权

    公开(公告)号：US20240421134A1

    公开(公告)日：2024-12-19

    申请号：US18818338

    申请日：2024-08-28

    Applicant: SEOUL VIOSYS CO., LTD.

    Inventor： Jong Hyeon CHAE ,  Chang Yeon KIM ,  Seong Gyu JANG ,  Ho Joon LEE ,  Jong Min JANG ,  Dae Sung CHO

    IPC: H01L25/075 ,  H01L33/08 ,  H01L33/38 ,  H01L33/50

    Abstract: A display apparatus including a substrate, and pixel regions and at least one separation region between the pixel regions, each pixel region including a first LED stack, a second LED stack adjacent to the first LED stack, a third LED stack adjacent to the second LED stack and each having a side surface forming a first angle, a second angle, and a third angle with the substrate, respectively, electrode pads electrically connected to the first, second, and third LED stacks, and an insulation layer disposed on at least one of the first, second, and third LED stacks, in which the first LED stack is configured to emit light having a longer peak wavelength than that emitted from the second and third LED stacks, and the first angle is different from the second and third angles.

    LIGHT EMITTING DEVICE HAVING A STACKED STRUCTURE
    3.
    发明公开
    LIGHT EMITTING DEVICE HAVING A STACKED STRUCTURE 审中-公开

    公开(公告)号：US20230261161A1

    公开(公告)日：2023-08-17

    申请号：US18132938

    申请日：2023-04-10

    Applicant: Seoul Viosys Co., Ltd.

    Inventor： Jong Min JANG ,  Chang Yeon KIM

    IPC: H01L33/62 ,  H01L33/50 ,  H01L33/24 ,  H01L27/15

    CPC classification number: H01L33/62 ,  H01L33/50 ,  H01L33/24 ,  H01L27/15

    Abstract: A light emitting device including a first light emitting part, a second light emitting part disposed on a first surface of the first light emitting part, and a third light emitting part disposed on a first surface of the second light emitting part, a first contact member contacting a surface of a second n-type semiconductor layer of the second light emitting part, an ohmic electrode electrically connected to a third p-type semiconductor layer of the third light emitting part, and an adhesive layer disposed between the second light emitting part and the third light emitting part, in which the first contact member extends toward the first light emitting part to be electrically connected to a first n-type semiconductor layer of the first light emitting part, and the adhesive layer extends toward the ohmic electrode.

    LIGHT EMITTING DEVICE WITH LED STACK FOR DISPLAY AND DISPLAY APPARATUS HAVING THE SAME
    4.
    发明申请
    LIGHT EMITTING DEVICE WITH LED STACK FOR DISPLAY AND DISPLAY APPARATUS HAVING THE SAME 有权

    公开(公告)号：US20230128703A1

    公开(公告)日：2023-04-27

    申请号：US18086663

    申请日：2022-12-22

    Applicant: SEOUL VIOSYS CO, LTD.

    Inventor： Chang Yeon KIM ,  Jong Hyeon CHAE ,  Jong Min JANG ,  Ho Joon LEE ,  Seong Gyu JANG

    IPC: H01L25/075 ,  H01L33/22 ,  H01L33/38 ,  H01L33/40 ,  H01L33/42 ,  G02B5/26 ,  H01L33/62 ,  H01L33/08

    Abstract: A light emitting device for a display including a first LED sub-unit, a second LED sub-unit disposed on the first LED sub-unit, a third LED sub-unit disposed on the second LED sub-unit, electrode pads disposed below the first LED sub-unit, and a planarization layer disposed between the first and second LED sub-units and being light transmissive, in which the electrode pads include a common electrode pad electrically connected in common to the first, second, and third LED sub-units, first, second, and third electrode pads connected to the first, second, and third LED sub-units, respectively, the first, second, and third LED sub-units are independently drivable, light generated in the first LED sub-unit is configured to be emitted to the outside through the second and third LED sub-units, and light generated in the second LED sub-unit is configured to be emitted to the outside through the third LED sub-unit.

    LIGHT EMITTING DEVICE HAVING COMMONLY CONNECTED LED SUB-UNITS
    5.
    发明申请
    LIGHT EMITTING DEVICE HAVING COMMONLY CONNECTED LED SUB-UNITS 有权

    公开(公告)号：US20220392950A1

    公开(公告)日：2022-12-08

    申请号：US17847136

    申请日：2022-06-22

    Applicant: SEOUL VIOSYS CO., LTD.

    Inventor： Jong Hyeon CHAE ,  Seong Gyu JANG ,  Ho Joon LEE ,  Chang Yeon KIM ,  Chung Hoon LEE

    IPC: H01L27/15 ,  H01L33/62 ,  H01L25/075 ,  H01L33/00 ,  H01L25/13 ,  H01L33/10 ,  H01L33/40 ,  H01L33/42 ,  H01L33/50

    Abstract: A display apparatus including a thin film transistor (TFT) substrate; a first LED sub-unit, a second LED sub-unit, and a third LED sub-unit; first, second, third, and fourth electrode pads disposed between the TFT substrate and the first LED sub-unit; and connectors connecting the first, second, and third LED sub-units to a respective one of the electrode pads, in which the first, second, and third sub-units are configured to be independently driven; light generated from the first LED sub-unit is emitted to the outside of the display apparatus by passing through the second and third LED sub-units; light generated from the second LED sub-unit is emitted to the outside of the display apparatus by passing through the third LED sub-unit; and at least one of the connectors includes a first portion electrically connecting a first surface of the first LED sub-unit to the second electrode pad.

    LIGHT EMITTING DEVICE AND LED DISPLAY APPARATUS HAVING THE SAME
    6.
    发明申请
    LIGHT EMITTING DEVICE AND LED DISPLAY APPARATUS HAVING THE SAME 有权

    公开(公告)号：US20210202815A1

    公开(公告)日：2021-07-01

    申请号：US17133623

    申请日：2020-12-23

    Applicant: SEOUL VIOSYS CO., LTD.

    Inventor： Jong Min JANG ,  Sung Hyun LEE ,  Chang Yeon KIM

    IPC: H01L33/62 ,  H01L33/40 ,  H01L33/38 ,  H01L27/15 ,  H01L33/48

    Abstract: A light emitting device including a first light emitting stack, a second light emitting stack disposed under the first light emitting stack, a third light emitting stack disposed under the second light emitting stack, first, second, third, and fourth connection electrodes disposed over the first light emitting stack, and electrically connected to the first, second, and third light emitting stacks, and bonding metal layers disposed on upper surfaces of the first, second, third, and fourth connection electrodes, in which each of the first, second, third, and fourth connection electrodes includes a groove on an upper surface thereof, and the bonding metal layers cover the grooves of the first, second, third, and fourth connection electrodes, respectively.

    LIGHT EMITTING DEVICE HAVING COMMONLY CONNECTED LED SUB-UNITS
    7.
    发明申请
    LIGHT EMITTING DEVICE HAVING COMMONLY CONNECTED LED SUB-UNITS 审中-公开

    公开(公告)号：US20200303451A1

    公开(公告)日：2020-09-24

    申请号：US16899522

    申请日：2020-06-11

    Applicant: SEOUL VIOSYS CO., LTD.

    Inventor： Jong Hyeon CHAE ,  Seang Gyu JANG ,  Ho Joon LEE ,  Chang Yeon KIM ,  Chung Hoon LEE

    IPC: H01L27/15 ,  H01L33/62 ,  H01L25/075 ,  H01L33/00 ,  H01L25/13 ,  H01L33/10 ,  H01L33/40 ,  H01L33/42 ,  H01L33/50

    Abstract: A display apparatus including a thin film transistor (TFT) substrate, a first LED sub-unit disposed on the TFT substrate, a second LED sub-unit disposed on the first LED sub-unit, a third LED sub-unit disposed on the second LED sub-unit, electrode pads disposed between the TFT substrate and the first LED sub-unit, and connectors connecting the first, second, and third LED sub-units to a respective one of the electrode pads, in which the first LED sub-unit, the second LED sub-unit, and the third LED sub-unit are configured to be independently driven, light generated from the first LED sub-unit is configured to be emitted to the outside of the display apparatus by passing through the second LED sub-unit and the third LED sub-unit, and light generated from the second LED sub-unit is configured to be emitted to the outside of the display apparatus by passing through the third LED sub-unit.

    LED UNIT FOR DISPLAY AND DISPLAY APPARATUS HAVING THE SAME
    8.
    发明申请
    LED UNIT FOR DISPLAY AND DISPLAY APPARATUS HAVING THE SAME 审中-公开

    公开(公告)号：US20190164944A1

    公开(公告)日：2019-05-30

    申请号：US16198873

    申请日：2018-11-22

    Applicant: Seoul Viosys Co., Ltd.

    Inventor： Jong Hyeon CHAE ,  Chung Hoon LEE ,  Chang Yeon KIM ,  Seong Gyu JANG ,  Ho Joon LEE ,  Jong Min JANG

    IPC: H01L25/13 ,  H01L33/62 ,  H01L33/38

    Abstract: A light emitting device for a display including a first substrate, a first LED sub-unit disposed on the first substrate, a second LED sub-unit disposed on the first LED sub-unit, a third LED sub-unit disposed on the second LED sub-unit, a second substrate disposed on the third LED sub-unit, a first electrode pad, a second electrode pad, a third electrode pad, and a fourth electrode pad disposed on the second substrate, and through-hole vias electrically connecting the second, third, and fourth electrode pads to the first, second, and third LED sub-units, respectively, in which the first electrode pad is electrically connected to the first LED sub-unit without overlapping any through-hole vias.

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